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Dual Gold(I)-catalyzed Cyclization of Dialkynyl Pyridinium Salts
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Number of Authors: 7
2017 (English)In: ChemCatChem, ISSN 1867-3880, E-ISSN 1867-3899, Vol. 9, no 11, 1915-1920 p.Article in journal (Refereed) Published
Abstract [en]

Novel dialkynyl pyridines were synthesized and protected as alkyl salts for dual gold(I)-catalyzed cycloisomerization. Different alkyl groups and counter ions were screened for the salts, with benzyl and hexafluorophosphate providing the best results. The cyclization led to NMR yields of >95% being obtained for a number of substrates. Step-wise hydrogenation of products could be performed in one-pot by Pd/C, with selective reduction of the double bonds, followed by deprotection of the benzyl group.

Place, publisher, year, edition, pages
2017. Vol. 9, no 11, 1915-1920 p.
Keyword [en]
gold, isomerization, palladium, pyridine, reduction
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-144785DOI: 10.1002/cctc.201700018ISI: 000403017800007OAI: oai:DiVA.org:su-144785DiVA: diva2:1127426
Available from: 2017-07-14 Created: 2017-07-14 Last updated: 2017-07-14Bibliographically approved

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Samec, Joseph S. M.
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